Examples with SortedIndexDefinitionBuilder org.apache.ignite.schema.definition.builder.SortedIndexDefinitionBuilder used on opensource projects

Example 1 with SortedIndexDefinitionBuilder

use of org.apache.ignite.schema.definition.builder.SortedIndexDefinitionBuilder in project ignite-3 by apache.

the class SortedIndexDefinitionBuilderTest method testBuild.

/**
 * Build sorted index and check it's parameters.
 */
@Test
public void testBuild() {
    SortedIndexDefinitionBuilder builder = SchemaBuilders.sortedIndex("SIDX");
    builder.addIndexColumn("A").asc().done();
    builder.addIndexColumn("B").desc().done();
    SortedIndexDefinition idx = builder.build();
    assertFalse(idx.unique());
    assertEquals(2, idx.indexedColumns().size());
    assertEquals(SortOrder.ASC, idx.columns().get(0).sortOrder());
    assertEquals(SortOrder.DESC, idx.columns().get(1).sortOrder());
}

Example 2 with SortedIndexDefinitionBuilder

use of org.apache.ignite.schema.definition.builder.SortedIndexDefinitionBuilder in project ignite-3 by apache.

the class DdlCommandHandler method handleCreateIndex.

/**
 * Handles create index command.
 */
private void handleCreateIndex(CreateIndexCommand cmd) {
    // Only sorted idx for now.
    SortedIndexDefinitionBuilder idx = SchemaBuilders.sortedIndex(cmd.indexName());
    for (Pair<String, Boolean> idxInfo : cmd.columns()) {
        SortedIndexColumnBuilder idx0 = idx.addIndexColumn(idxInfo.getFirst());
        if (idxInfo.getSecond()) {
            idx0.desc();
        }
        idx0.done();
    }
    String fullName = TableDefinitionImpl.canonicalName(IgniteObjectName.quote(cmd.schemaName()), IgniteObjectName.quote(cmd.tableName()));
    tableManager.alterTable(fullName, chng -> chng.changeIndices(idxes -> {
        if (idxes.get(cmd.indexName()) != null) {
            if (!cmd.ifIndexNotExists()) {
                throw new IndexAlreadyExistsException(cmd.indexName());
            } else {
                return;
            }
        }
        idxes.create(cmd.indexName(), tableIndexChange -> convert(idx.build(), tableIndexChange));
    }));
}

Example 3 with SortedIndexDefinitionBuilder

use of org.apache.ignite.schema.definition.builder.SortedIndexDefinitionBuilder in project ignite-3 by apache.

the class SchemaConfigurationConverterTest method testConvertSortedIndex.

/**
 * Add/remove SortedIndex into configuration and read it back.
 */
@Test
public void testConvertSortedIndex() throws Exception {
    SortedIndexDefinitionBuilder builder = SchemaBuilders.sortedIndex("SIDX");
    builder.addIndexColumn("A").asc().done();
    builder.addIndexColumn("B").desc().done();
    SortedIndexDefinition idx = builder.build();
    getTbl().change(ch -> SchemaConfigurationConverter.addIndex(idx, ch)).get();
    TableDefinition tbl = SchemaConfigurationConverter.convert(getTbl().value());
    SortedIndexDefinition idx2 = (SortedIndexDefinition) getIdx(idx.name(), tbl.indices());
    assertNotNull(idx2);
    assertEquals("SORTED", idx2.type());
    assertEquals(2, idx2.columns().size());
    assertEquals("A", idx2.columns().get(0).name());
    assertEquals("B", idx2.columns().get(1).name());
    assertEquals(SortOrder.ASC, idx2.columns().get(0).sortOrder());
    assertEquals(SortOrder.DESC, idx2.columns().get(1).sortOrder());
}